| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] [verb] [not/n't] | 8850 |
|
| 2 | if [pers pn] [verb] [det] | 3306 |
|
| 3 | [pers pn] [verb] [not/n't] [det] | 403 |
|
